Cryptex

, Collect evidence 3: Add one mana of any color. Put an unlock counter on this artifact. (To collect evidence 3, exile cards with total mana value 3 or greater from your graveyard.)
Sacrifice this artifact: Surveil 3, then draw three cards. Activate only if this artifact has five or more unlock counters on it.

EDHREC rank #20919

USD reference: $0.45 (~₱28.26) · Foil: $0.20 (~₱12.56)